A total of 80 medium-lean growth crossbred barrows (initially 77 lb) was used in a
study to evaluate the effect of manganese
level (24, 44, or 88 ppm) and source (inorganic vs chelated manganese) on growth
performance ...

Sixty-four pigs (initially 75 lb) were used to determine the effects of dietary betaine,
carnitine, and chromium nicotinate on growth
performance and carcass composition. Pigs
were blocked by sex, ancestry, and weight
and ...